[MDEP-356] maven dependency plugin should use maven 3 dependency resolver, aether

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.4, 2.5
• Component/s: purge-local-repository
• Environment: mac os x or linux, maven 3.0.4 (maven 3.0.3 does not have the same behaviour, it fails at removing the local artifacts)
• Assignee: Herve Boutemy
• Reporter: Anthony Dahanne
• Created: 04/Jun/12 08:33
• Updated: 06/Jan/16 20:21
• Resolved: 10/Jun/12 16:26

Description

problem initially described on the maven users mailing list : http://mail-archives.apache.org/mod_mbox/maven-users/201206.mbox/browser

Given the attached pom, and using maven 3.0.4 (important, it does not work with 3.0.3, it fails at removing the local artifacts)

1. do a mvn clean install
2. then do a mvn org.apache.maven.plugins:maven-dependency-plugin:2.4:purge-local-repository -Dverbose=true -DresolutionFuzziness=version

it will work as designed, removing javax.servlet:servlet-api:jar:2.5 and net.dahanne.gallery:commons-gallery:jar:2.1.0-SNAPSHOT from your local repo, before re downloading them.
but, the following message is displayed :

[WARNING] Missing POM for javax.servlet:servlet-api:jar:2.5
[WARNING] Missing POM for net.dahanne.gallery:commons-gallery:jar:2.1.0-SNAPSHOT

It actually means the plugin could not "see" those artifacts in my local repo; it may be related to the fact that dependency plugin does not use aether to resolve the tree.

Other problems should arise, as mentioned by Stephen Connolly on the mailing list :
"When I last chatted on this with Benjamin, he left me with the distinct impression that I should not rely on the output of dependency:tree when run on m3 until it has been adapted to query aether's graph more directly"

The dependency plugin should use the same dependency resolver as maven 3, ie aether.

Issue Links

• duplicates: MDEP-339 tree mojo doesn't work consistently with maven3